“I want you all to meet my new little baby girl Hannah Spears <3 How cute is she?!?!” she tweeted, with an accompanying photo of herself holding Hannah. After which, the two exchanged:

“awww thanks mommy - I love you!” tweeted Hannah.

“What a sweet little girl - love you too!” tweeted Britney.

Hannah posted her most recent tweet this morning, asking, “What should I chase today … squirrel or chipmunk? Arf arf!”

The pooch has acquired almost 11,000 followers in just one day.

At almost the same, Miley Cyrus capped off her birthday by shopping for her new puppy, Rosie. Cyrus and her younger sister Noah were spotted at the pet boutique Spot! in Los Angeles shopping for the little brown puppy.

Cyrus was photographed being affectionate with Rosie while they were in the store, while Noah held the pooch as they left. Their mother, Tish, was also there, and she helped load all of their new puppy supplies into the car.

According to the singer’s Twitter, they adopted the puppy from SPOT! Dog Rescue.